British Standard
PB2
Indian Standard
Nominal Composition
88/12
Tensile Strength (kg/mm2)
22-31
Elongation % on 2"
5-15
Brinell Hardness
75-110
Typical Uses
Gear and worn wheels
Name
Phosphorous Bronze
BS
PB2
Element
Min
Max
%
%
Copper
Rem
-
Tin
11.20
13.00
Zinc
-
0.30
Lead
-
0.50
Phosphorous
0.25
0.60
Nickel
-
0.50
Iron
-
0.10
Aluminium
-
0.01
Manganese
-
-
Antimony
-
-
Iron + Arsenic
-
-
Impurities
-
0.20